Simultaneous Nadir Overpasses (SNOs) between GOES-15 and TERRA
TLE Epoch: 2021 9 3.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 09/03/2021   06:59:31   (   0.31,-128.27) (   0.26,-128.62)   39.63                80
 09/05/2021   06:49:58   (   0.31,-128.25) (   0.88,-125.66)  294.63                80
 09/05/2021   19:08:32   (  -0.33,-128.19) (   0.22,-130.82)  298.29                80
 09/07/2021   18:59:00   (  -0.33,-128.17) (  -0.41,-127.86)   35.48                80
 09/09/2021   18:46:47   (  -0.33,-128.15) (  -1.03,-124.91)  368.89                80
 09/10/2021   07:05:30   (   0.35,-128.19) (  -0.06,-130.10)  217.43                80
 09/12/2021   06:55:57   (   0.34,-128.16) (   0.57,-127.15)  115.09                80
 09/12/2021   19:14:32   (  -0.36,-128.10) (   0.53,-132.31)  478.61                80
 09/14/2021   06:43:43   (   0.33,-128.12) (   1.15,-124.18)  446.84                80
 09/14/2021   19:02:19   (  -0.35,-128.05) (  -0.11,-129.35)  147.02                80
 09/16/2021   18:52:45   (  -0.35,-128.01) (  -0.68,-126.39)  184.12                80